United Chargers
Scheduling / Timer Malfunction
Scheduled charging does not start at the programmed time, but manual charging works.
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Possible Causes
Incorrect time or timezone settings, Conflicting schedules, Firmware bug in scheduler, RTC drift
How to Fix / Troubleshooting
Safety first: No internal access is needed for schedule adjustments.
- Verify time: Check and correct the charger’s clock and timezone in the app or display.
- Review schedules: Ensure there are no overlapping or disabled schedules that conflict with each other.
- Test simple schedule: Create a single, short test schedule to confirm operation.
- Firmware update: Update to the latest firmware to resolve known scheduling issues.
If scheduling remains unreliable, the RTC or firmware may require service or board replacement.
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Repair Difficulty
Easy
2/5
Required Part
Main Control Board
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